/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.engine.impl.cmd;

import com.je.bpm.engine.ActivitiObjectNotFoundException;
import com.je.bpm.engine.impl.interceptor.Command;
import com.je.bpm.engine.impl.interceptor.CommandContext;
import com.je.bpm.engine.impl.persistence.entity.CommentEntity;
import com.je.bpm.engine.impl.persistence.entity.CommentEntityManager;
import com.je.bpm.engine.task.Comment;
import java.io.Serializable;
import java.util.ArrayList;

/**
 * 删除评论命令
 */
public class DeleteCommentCmd implements Command<Void>, Serializable {

    private static final long serialVersionUID = 1L;
    protected String taskId;
    protected String processInstanceId;
    protected String commentId;

    public DeleteCommentCmd(String taskId, String processInstanceId, String commentId) {
        this.taskId = taskId;
        this.processInstanceId = processInstanceId;
        this.commentId = commentId;
    }

    @Override
    public Void execute(CommandContext commandContext) {
        CommentEntityManager commentManager = commandContext.getCommentEntityManager();

        if (commentId != null) {
            // Delete for an individual comment
            Comment comment = commentManager.findComment(commentId);
            if (comment == null) {
                throw new ActivitiObjectNotFoundException("Comment with id '" + commentId + "' doesn't exists.", Comment.class);
            }

            commentManager.delete((CommentEntity) comment);

        } else {
            // Delete all comments on a task of process
            ArrayList<Comment> comments = new ArrayList<Comment>();
            if (processInstanceId != null) {
                comments.addAll(commentManager.findCommentsByProcessInstanceId(processInstanceId));
            }

            if (taskId != null) {
                comments.addAll(commentManager.findCommentsByTaskId(taskId));
            }

            for (Comment comment : comments) {
                commentManager.delete((CommentEntity) comment);
            }
        }
        return null;
    }
}
